Best Quality ASTM A519 4130X Seamless Steel Tube For Gas Cylinder Made In China

Product Details

Best Quality ASTM A519 4130X Seamless Steel Tube for Gas Cylinder Made in China

Standards:
ASTM A519-------American Materials and Testing Institution Standard
Q/321088HGB3---Enterprise Standards of Jiangsu Chengde Steel Pipe Co., Ltd
GB18248-----------China National Standard
Steel Material: 4130X
Usage: Seamless steel tube  for gas cylinders.

Mechanical Properties:

standard

Steel grade

Tensile strength(Mpa)

Bend strength(Mpa)

Bend ratio

Elongation (%)

Impact energy Akv(J)

Hardness

Q/321088HGB3

4130X

725~865

485~735

=0.85

=20

-40ºC=40

195~269HB

Chemical composition:


     standard

Steel grade

Chemical composition (%)

C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

Q/3210
     88HGB3

4130X

0.25~0.35

0.15~0.35

0.4~0.9

=0.02

0.01

0.8~1.1

=0.25

=0.2

0.15~0.25

=0.8

Third Party inspection that is preferred by new customers is proved to be convincing. Through years’ of operation, M/S Ruicheng Steel has established stable contact with world famous third party inspection authorities, like Lloyd’s, BV, SGS, ABS, Intertek, ect. More than 10,000Mtons of steel pipes, tubes, fittings and flanges have been inspected by them.

Any questions or inquiries will be highly appreciated.

Kindly please contact us freely at gracewang@ruichengsteel.cn

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